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Quality of life items and source questionnaires.
| Item number | Item | Questionnaire |
| 1 | Mobility | EQ-5D-3La |
| 2 | Personal care | EQ-5D-3L |
| 3 | Daily activities | EQ-5D-3L |
| 4 | Pain or discomfort | EQ-5D-3L |
| 5 | Worry or depression | EQ-5D-3L |
| 6 | Concentration difficulties | PDQ-8b |
| 7 | Communication difficulties | PDQ-8 |
| 8 | Painful cramps or spasms in the muscles | PDQ-8 |
| 9 | Overall health | EQ-5D-3L |
aEQ-5D-3L: European Quality of Life 5 Dimensions 3 Level.
bPDQ-8: 8-item Parkinson Disease Questionnaire.
